Alys, Countess of the Vexin daughter of King Louis VII of France and his second wife Constance of Castile (1160–1210) Parents Constance of León Louis VII of France Children Marie, Countess of Ponthieu daughter d'Anjou Siblings Agnes of France Philip II of France Margaret of France Alice of France Marie of France, Countess of Champagne Partners Richard I of England Henry II of England William IV, Count of Ponthieu